#!/bin/bash

# Copyright © 2020 The OpenEBS Authors
#
# This file was originally authored by Rancher Labs
# under Apache License 2018.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.

is_controller=0
fe=0
frontend=
for i in "$@"
do
        if [ $fe -eq 1 ]
        then
                frontend=$i
                break
        fi
        case $i in
                controller)
                        is_controller=1
                        ;;
                --frontend)
                        fe=1
                        ;;
                *)
                        ;;
        esac
done

if [ $is_controller -eq 1 ]; then
#        mount --rbind /host/dev /dev

        if [ "$frontend" == "tcmu" ]
        then
                echo "Prepare for TCMU"
                if [ ! -d /sys/kernel/config ]; then
                        modprobe target_core_user
                fi
                mount -t configfs none /sys/kernel/config
        fi
fi

exec longhorn "$@"
